SE7412194L - - Google Patents

Info

Publication number
SE7412194L
SE7412194L SE7412194A SE7412194A SE7412194L SE 7412194 L SE7412194 L SE 7412194L SE 7412194 A SE7412194 A SE 7412194A SE 7412194 A SE7412194 A SE 7412194A SE 7412194 L SE7412194 L SE 7412194L
Authority
SE
Sweden
Prior art keywords
tetrazolium
cathodic
etch
deposits
sites
Prior art date
Application number
SE7412194A
Other languages
English (en)
Other versions
SE401526B (sv
Inventor
W C Erdman
V C Garbarini
Original Assignee
Western Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Electric Co filed Critical Western Electric Co
Publication of SE7412194L publication Critical patent/SE7412194L/xx
Publication of SE401526B publication Critical patent/SE401526B/xx

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
    • H01L21/3105After-treatment
    • H01L21/311Etching the insulating layers by chemical or physical means
    • H01L21/31105Etching inorganic layers
    • H01L21/31111Etching inorganic layers by chemical means
    • CCHEMISTRY; METALLURGY
    • C23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/04Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in markedly acid liquids
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)
  • Weting (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Silicon Compounds (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
SE7412194A 1973-10-11 1974-09-27 Forfarande for selektiv etsning SE401526B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US405564A US3860464A (en) 1973-10-11 1973-10-11 Oxide etchant

Publications (2)

Publication Number Publication Date
SE7412194L true SE7412194L (fr) 1975-04-14
SE401526B SE401526B (sv) 1978-05-16

Family

ID=23604211

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7412194A SE401526B (sv) 1973-10-11 1974-09-27 Forfarande for selektiv etsning

Country Status (10)

Country Link
US (1) US3860464A (fr)
JP (1) JPS528676B2 (fr)
BE (1) BE820808A (fr)
CA (1) CA1035258A (fr)
DE (1) DE2447670C3 (fr)
FR (1) FR2247280B1 (fr)
GB (1) GB1474294A (fr)
IT (1) IT1020975B (fr)
NL (1) NL162124C (fr)
SE (1) SE401526B (fr)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3992235A (en) * 1975-05-21 1976-11-16 Bell Telephone Laboratories, Incorporated Etching of thin layers of reactive metals
JP2581268B2 (ja) * 1990-05-22 1997-02-12 日本電気株式会社 半導体基板の処理方法
US5695661A (en) 1995-06-07 1997-12-09 Micron Display Technology, Inc. Silicon dioxide etch process which protects metal
KR0175009B1 (ko) * 1995-07-28 1999-04-01 김광호 식각용액 및 이를 이용한 반도체 장치의 식각방법
KR100234541B1 (ko) * 1997-03-07 1999-12-15 윤종용 반도체장치 제조용 웨이퍼의 세정을 위한 세정조성물 및 그를 이용한 세정방법
US5838055A (en) * 1997-05-29 1998-11-17 International Business Machines Corporation Trench sidewall patterned by vapor phase etching
US6074951A (en) * 1997-05-29 2000-06-13 International Business Machines Corporation Vapor phase etching of oxide masked by resist or masking material
US5876879A (en) * 1997-05-29 1999-03-02 International Business Machines Corporation Oxide layer patterned by vapor phase etching
US6117796A (en) * 1998-08-13 2000-09-12 International Business Machines Corporation Removal of silicon oxide
US6585933B1 (en) 1999-05-03 2003-07-01 Betzdearborn, Inc. Method and composition for inhibiting corrosion in aqueous systems
US6187262B1 (en) 1998-08-19 2001-02-13 Betzdearborn Inc. Inhibition of corrosion in aqueous systems
US6379587B1 (en) 1999-05-03 2002-04-30 Betzdearborn Inc. Inhibition of corrosion in aqueous systems
CN103980216A (zh) * 2014-06-05 2014-08-13 湖北百诺捷生物科技有限公司 一种氯化-2,3,5-三苯基四氮唑的合成方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3421985A (en) * 1965-10-19 1969-01-14 Sylvania Electric Prod Method of producing semiconductor devices having connecting leads attached thereto
US3560280A (en) * 1965-11-17 1971-02-02 Hitachi Ltd Method of selective removal of oxide coatings in the manufacture of semiconductor devices

Also Published As

Publication number Publication date
NL162124C (nl) 1980-04-15
NL7413345A (nl) 1975-04-15
NL162124B (nl) 1979-11-15
FR2247280A1 (fr) 1975-05-09
IT1020975B (it) 1977-12-30
GB1474294A (en) 1977-05-18
FR2247280B1 (fr) 1979-02-09
DE2447670C3 (de) 1978-06-08
JPS528676B2 (fr) 1977-03-10
CA1035258A (fr) 1978-07-25
SE401526B (sv) 1978-05-16
DE2447670A1 (de) 1975-04-24
BE820808A (fr) 1975-02-03
DE2447670B2 (de) 1977-09-22
JPS5067581A (fr) 1975-06-06
US3860464A (en) 1975-01-14

Similar Documents

Publication Publication Date Title
SE7412194L (fr)
DE2860037D1 (en) Process for the preparation of aqueous dispersions or solutions of polyurethanes, their use as coatings forf lexible substrates
PL197203A1 (pl) Kwasny wodny roztwor chemicznej powloki konwersyjnej,sposob wytwarzania chemicznych powlok konwersyjnych oraz wodne koncentraty stosowane do uzupelniania roztworow
SE7606544L (sv) Sett att selektivt avlegsna fosfater ur en vattenlosning
SE7606646L (sv) Sett att elektopletera zink samt elektropleteringsband derfor
ES2068710T3 (es) Procedimiento quimico/electroquimico de dos etapas para el revestimiento del magnesio.
GB1326473A (en) Process for purifying alpha-l-aspartyl-l-phenylalanine methyl ester and intermediates in said process
ZA836673B (en) Sealing anodically produced oxide layers on aluminum
GB1349423A (en) Desmutting etched aluminium-base alloys
IL43341A0 (en) Process for the recovery of fluorine from an aqueous solution by ion exchange
DK107874C (da) Fremgangsmåde til fremstilling af imidazo-[2,1-b]-thiazol- eller benzothiazolforbindelser eller syreadditionssalte heraf.
JPS54112382A (en) Regenerating method for ion exchange membrane
AR200140A1 (es) Composicion acuosa estable, adecuada cuando ha sido diluida con agua, para tratar superficies metalicas
GB1320972A (en) Stripping solution
GB958410A (en) Improvements in or relating to descaling lead anodes
SU565054A1 (ru) Водный раствор дл электрохимического травлени металлов
JPS5236622A (en) Process for preparation of bromoacetic acid
CH553245A (de) Lack, druckfarbe oder schreibpaste enthaltend ein salz eines sulfonsaeuregruppenhaltigen 1:2-metallkomplexes.
GB1369409A (en) Process for the manufacture of 1-nitro-anthraquinone
GB807172A (en) Improvements relating to the silver plating of copper and copper alloys
JPS54137482A (en) Regeneration of flouric cation-exchange membrane
JPS5437083A (en) Method of activating selective ion exchanbe body
GB1029342A (en) Process for the production of manganese phosphate coatings on iron and steel
FR2136208A5 (en) Recovering halobutyl rubber - using an aqueous base solution and vapourisation
GB1499850A (en) Process for the manufacture of 5-aminocarbonyl-2,4,6-trihydroxypyrimidine

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 7412194-8

Effective date: 19920408

Format of ref document f/p: F